---
{
    "title": "CREATE CLUSTER",
    "language": "en"
}
---

<!-- 
Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements.  See the NOTICE file
distributed with this work for additional information
regarding copyright ownership.  The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
with the License.  You may obtain a copy of the License at

  http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing,
software distributed under the License is distributed on an
"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
KIND, either express or implied.  See the License for the
specific language governing permissions and limitations
under the License.
-->

# CREATE CLUSTER
## Description

This statement is used to create a new logical cluster, requiring administrator privileges. If you don't use multiple tenants, create a cluster named default_cluster directly. Otherwise, create a cluster with a custom name.

grammar

CREATE CLUSTER [IF NOT EXISTS] cluster_name

PROPERTIES ("key"="value", ...)

IDENTIFIED BY 'password'

1. PROPERTIES

Specify attributes of logical clusters

PROPERTIES ("instance_num" = "3")

Instancefn Microsoft Yahei

2. Identify by'password'each logical cluster contains a superuser whose password must be specified when creating a logical cluster

## example

1. Create a new test_cluster with three be nodes and specify its superuser password

CREATE CLUSTER test_cluster PROPERTIES("instance_num"="3") IDENTIFIED BY 'test';

2. Create a new default_cluster with three be nodes (no multi-tenant is used) and specify its superuser password

CREATE CLUSTER default_cluster PROPERTIES("instance_num"="3") IDENTIFIED BY 'test';

## keyword
CREATE,CLUSTER